Home / 2,109,059.80-3,156,216.90-1,932,112.60

Finding the Fourth Proportional to 2,109,059.80, 3,156,216.90 and 1,932,112.60

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Solution

The fourth proportional to 2,109,059.80, 3,156,216.90 and 1,932,112.60 is: 2,891,414.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,059.80 : 3,156,216.90 = 1,932,112.60 : x
  2. Step 2: Convert to fraction form
    2,109,059.80/3,156,216.90 = 1,932,112.60/x
  3. Step 3: Cross multiply
    2,109,059.80x = 3,156,216.90 × 1,932,112.60
  4. Step 4: Simplify right side
    2,109,059.80x = 6,098,166,440,822.94
  5. Step 5: Solve for x
    x = 6,098,166,440,822.94/2,109,059.80
  6. Step 6: Final answer
    x = 2,891,414.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.